Observation by Martin Lewis: Neptune 15th Oct 2017

Uploaded by

Martin Lewis

Observer

Martin Lewis

Observed

2017 Oct 15 - 20:30

Uploaded

2017 Oct 23 - 22:16

Objects

Neptune

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Constellation

Grus

Field centre

RA: 22^h44^m
Dec: -46°49'
Position angle: -4°28'

Field size

0°06' × 0°07'

Equipment

444mm Dobsonian
610nm Filter
ASI290MM

Location

St Albans

Target name

Neptune

Title

Neptune 15th Oct 2017

About this image

Neptune on 15th Oct in steadier conditions than 12th. Bright equatorial spot at a similar location on disc as the 12th even though the CM is very different. Calculating a drift of +49deg/day for this spot. Possible second spot near centre of disc identified in gif animation. See separate post for positions

Cheers,
Martin

Files associated with this observation

N_2017-10-15_21-30UT_IR_MLe_0.jpg (108.8 kB)

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Jeremy Shears, Peter Carson, Dawson, Colin Henshaw

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